Home / 84,393.10-126,570.81-25,221.08

Finding the Fourth Proportional to 84,393.10, 126,570.81 and 25,221.08

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Solution

The fourth proportional to 84,393.10, 126,570.81 and 25,221.08 is: 37,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,393.10 : 126,570.81 = 25,221.08 : x
  2. Step 2: Convert to fraction form
    84,393.10/126,570.81 = 25,221.08/x
  3. Step 3: Cross multiply
    84,393.10x = 126,570.81 × 25,221.08
  4. Step 4: Simplify right side
    84,393.10x = 3,192,251,891.82
  5. Step 5: Solve for x
    x = 3,192,251,891.82/84,393.10
  6. Step 6: Final answer
    x = 37,825.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.